[Bug tree-optimization/53346] [4.6/4.7/4.8 Regression] Bad vectorization in the proc cptrf2 of rnflow.f90

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53346

--- Comment #13 from Uros Bizjak <ubizjak at gmail dot com> 2012-05-18 17:08:08 UTC ---
Created attachment 27435
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27435
slow x86_64 assembly, obtained with -O2 -ftree-loop-if-convert

This is the slow assembly, stay tuned for the WTF part.